Vishay Sprague 293D475X9020A2TE3: Premium 4.7 F Tantalum Capacitor for Demanding Applications

The Vishay Sprague 293D475X9020A2TE3 represents the gold standard in molded tantalum capacitor technology, combining exceptional electrical performance with robust mechanical construction. As engineers increasingly demand reliable components for mission-critical applications, this 4.7 F surface-mount capacitor delivers outstanding characteristics that make it a preferred choice across multiple industries.

Technical Specifications and Performance Advantages

1. Optimized Capacitance Value

With its 4.7 microfarad ( F) capacitance, the 293D475X9020A2TE3 provides the ideal balance between energy storage capacity and physical size. This value is particularly effective for:

• Power supply rail stabilization in modern microprocessors
• Intermediate filtering in DC/DC converter circuits
• Energy reservoir applications in portable medical devices

2. Precision Tolerance for Consistent Performance

The 10% tolerance ensures predictable behavior across all operating conditions, critical for:

• Timing circuit accuracy
• Precision analog signal processing
• RF impedance matching networks

3. Robust Voltage Handling

The 20V rating provides substantial headroom for typical circuit voltages, with derating recommendations suggesting optimal performance at 80% of rated voltage (16V). This makes it suitable for:

• 12V automotive systems
• Industrial control power buses
• Telecommunications equipment

Advanced Construction Features

Molded Package Benefits

The molded epoxy construction of the 293D475X9020A2TE3 offers:

• Superior moisture resistance (meets MIL-PRF-55365 requirements)
• Enhanced mechanical shock resistance (tested to 50G)
• Improved thermal cycling performance (-55 C to +125 C)

Surface Mount Design Advantages

The 1206 (3216 metric) package features:

• Industry-standard footprint for easy PCB layout
• Low profile (1.8mm height) for space-constrained designs
• Compatibility with automated pick-and-place assembly

Application-Specific Performance

Power Management Solutions

In voltage regulator modules (VRMs), the capacitor's 5 Ohm ESR helps:

• Minimize output voltage ripple
• Improve transient response
• Reduce power losses

Automotive Electronics

The wide temperature range (-55 C to +125 C) ensures reliable operation in:

• Engine control units
• Infotainment systems
• Advanced driver assistance systems (ADAS)

Comparative Advantages Over Alternatives

When benchmarked against similar capacitors, the 293D475X9020A2TE3 demonstrates:

• 30% better capacitance stability over temperature compared to standard tantalums
• 50% lower leakage current than commercial-grade alternatives
• Superior surge current handling for power applications

Design Implementation Guidelines

PCB Layout Recommendations

• Maintain minimum 0.5mm clearance to adjacent components
• Use thermal relief patterns for hand soldering
• Incorporate multiple vias for ground connections

Reliability Considerations

• Derate voltage by 20% for extended service life
• Limit ripple current to 50mA RMS at 85 C
• Follow Vishay's recommended reflow profile

Industry Compliance and Quality Assurance

The 293D475X9020A2TE3 meets or exceeds:

• AEC-Q200 for automotive applications
• RoHS 2.0 compliance
• REACH SVHC requirements
• Manufactured in ISO 9001 certified facilities

Purchasing and Availability

Available through authorized distributors with:

• Standard tape and reel packaging (3000 pieces per reel)
• Sample quantities for prototyping
• Volume pricing for production runs

For engineers seeking a reliable, high-performance tantalum capacitor solution, the Vishay Sprague 293D475X9020A2TE3 delivers exceptional value through its combination of electrical characteristics, robust construction, and proven reliability across demanding applications.